The European Commission sent “final warnings” on Wednesday 15 February to five countries –Germany, France, Spain, Italy and United Kingdom – for failing to address emissions of nitrogen dioxide (NO2), an air pollutant some 40% of which comes from road traffic and, in particular, diesel engines.
EU legislation on ambient air quality (Directive 2008/50/EC) sets limit values for air pollutants, including nitrogen dioxide. Should these limit values be exceeded, member states are required...